import java.io.IOException;

public final class Person extends BaseClass{
        private String name;
        static  final int age=30;
        protected String address;
        public String message;

        public String getName(){
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }

        static final int getAge() {
            return age;
        }
        protected  String getAddress(){
            return  address;
        }
        private void silentMethod()throws IOException,NullPointerException{
            System.out.println("这是悄悄话");
        }
        public Person(){ }
        private  Person(String name){this.name=name;}
        protected Person(String name,String address,String message){
            this.name=name;
            this.address=address;
            this.message=message;
        }
        public String toString(){
            return "{name:"+name+",age:"+age+",address:"+address+",message"+message+"}";
        }
    }
